Quad9 Technology Stack

DomainTools is a threat intelligence and investigation platform.

Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit.

RiskIQ enables organizations to maintain the integrity of web and mobile properties by detecting instances of malware, impersonation and defacement used to commit fraud and violate users’ privacy.

ASP.net is an open source framework for building web applications and services with .NET and C#.

Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.

Nginx is a web server which can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

GitHub is a place to share code with friends, co-workers, classmates, and complete strangers, helping individuals and teams to write faster, better code.

YouTube is a video sharing service where users can watch, like, share, comment and upload their own videos. The video service can be accessed on PCs, laptops, tablets and via mobile phones.

Umantis is a HR software with applicant management, personnel development and other capabilities.

Umantis is a HR software with applicant management, personnel development and other capabilities.

The umantis Talent Management software solution covers applicant management, HR development, learning management, objective setting, remuneration, and succession planning. It combines state-of-the-art methods with the power of the Internet and social media

PayPal is a global eCommerce platform for buyers & sellers. PayPal allows payments & money transfers to be made securely via email, phone, text message or Skype.